Stockholders' Equity and Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Stockholders' Equity and Earnings Per Share [Abstract]

Schedule of earnings per share calculations

The following table presents the EPS calculations for the three and six months ended June 30, 2018 and 2017:

($ and shares in thousands, except per share data)	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Basic
Net income	$	172,349	$	118,330	$	359,381	$	288,066
Basic weighted-average number of shares outstanding	144,899		144,485		144,782		144,368
Basic EPS	$	1.19	$	0.82	$	2.48	$	2.00
Diluted
Net income	$	172,349	$	118,330	$	359,381	$	288,066
Basic weighted-average number of shares outstanding	144,899		144,485		144,782		144,368
Diluted potential common shares (1)	1,192		1,255		1,264		1,406
Diluted weighted-average number of shares outstanding	146,091		145,740		146,046		145,774
Diluted EPS	$	1.18	$	0.81	$	2.46	$	1.98

(1) Includes dilutive shares from RSUs and warrants for the three and six months ended June 30,2018 and 2017.